نتایج جستجو برای: vector difference root mean squars
تعداد نتایج: 1216894 فیلتر نتایج به سال:
Abstract In this work, a support vector machine (SVM) model was developed to predict the hot deformation flow curves of AZ91 magnesium alloy. The experimental stress-strain curves, obtained from hot compression testing at different deformation conditions, were sampled. Consequently, a data base with the input variables of the deformation temperature, strain rate and strain and the output variab...
We derive the asymptotic approximation for the posterior distribution when the data are multinomial and the prior is Dirichlet conditioned on satisfying a finite set of linear equality and inequality constraints so the posterior is also Dirichlet conditioned on satisfying these same constraints. When only equality constraints are imposed, the asymptotic approximation is normal. Otherwise it is ...
OBJECTIVE The aim of this study was to evaluate predisposing factors among patients who developed moderate or severe external root resorption (Malmgren's grades 3 and 4), on the maxillary incisors, during fixed orthodontic treatment in the permanent dentition. METHODS Ninety-nine patients who underwent orthodontic treatment with fixed edgewise appliances were selected. Patients were divided i...
When a control chart shows an out-of-control condition, a search begins to identify and eliminate the root cause(s) of the process disturbance. The time when the disturbance has manifested itself to the process is referred to as change point. Identification of the change point is considered as an essential step in analyzing and eliminating the disturbance source(s) effectively. When a process...
اندازه گیری رطوبت حجمی خاک و آب قابل دسترس برای گیاهان در رشته های مختلف مانند خاکشناسی، هیدرولوژی و مهندسی آب بسیار مهم است. بنابراین بررسی متعدد رطوبت خاک و میزان قابل استفاده آن برای گیاه از مهم ترین موضوعات در علم رابطه آب، خاک وگیاه است. برای تعیین رطوبت از روش های مختلفی مانند روش مستقیم (روش وزنی) و روش های غیر مستقیم مانند استفاده از دستگاه tdr و شبکه های هوش مصنوعی مانند شبکه عصبی، فاز...
This paper investigates the potential of support vector machines based regression approach to model the local scour around bridge piers using field data. A dataset of consisting of 232 pier scour measurements taken from BSDMS were used for this analysis. Results obtained by using radial basis function and polynomial kernel based Support vector regressionwere comparedwith four empirical relation...
Inter-turn short circuit fault (ITSCF) can be a great threat for the safety and effectiveness of generator. In this paper, simulation model with experimental platform is established to diagnose ITSCF in stator windings. A based on Finite Element Method (FEM) designed ANSYS. Stator current used calculating Root-Mean-Square (RMS) value, phase difference, symmetrical components, Park’s vector traj...
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